Xerox C2424 Service Manual - Page 125
XX.xx Errors - Printhead Calibration faults., 0XX.6x - Errors
UPC - 095205676532
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19,0XX.xx Errors - Printhead Calibration faults. 19,001.46: HFD server failed due to NVRAM operation. This fault only occurs when the system is set in manufacturing mode. Program fault. 19,002.47: Attempted to perform a printhead operation without the printhead NVRAM data being loaded. 19,003.48: Scale and offset error is too large. The voltages measured have more than a 20% error from their expected values. Something is wrong with the electronics module or the wave amplifier. Troubleshooting Procedure Step Questions and Actions Yes 1 1. Check and reseat all wiring to the printhead. Complete. 2. Did this correct the problem? No Replace in the following order: ■ Printhead ■ Electronics Module 19,0XX.6x - Errors 19,001.68 thru 19,039.61: Waveform printhead calibration program faults. a. Reset NVRAM, and then retest. b. Replace the NVRAM chip. 21,000.69 Errors - Diagnostic Code Version Mismatch a. The diagnostic firmware does not match the engine firmware. Update the diagnostic firmware for the system. If a code updated ROM daughter board is installed on the main board, remove the board so the preheater boots using the main board's code and diagnostics. 22,0XX.6x Errors - Jam Codes a. For jam codes, see "3-Digit Jam Codes" on page 3-49. 23,0XX.6x Errors - NVRAM Fault a. Reset NVRAM, and then retest. b. Replace the NVRAM. 26,0XX.6x Errors - Printing Faults a. Reboot the system if one of these faults occur. Error Messages and Codes 3-33